Static task
static1
Behavioral task
behavioral1
Sample
2024-01-18_f83b943ceb8f2ff5d051bb1400b9dec8_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-18_f83b943ceb8f2ff5d051bb1400b9dec8_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-18_f83b943ceb8f2ff5d051bb1400b9dec8_cryptolocker
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Size
46KB
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MD5
f83b943ceb8f2ff5d051bb1400b9dec8
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SHA1
fb47fd0c903a8c56b89664dc3aac12458cbd7daf
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SHA256
92bae15b2765caee4a32ffed6b4ef60c4c1adc115593bf863610a92025d715e1
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SHA512
87f71245321d38c9bade561a737b5cde4b0eeec31c54fbb97765b147282283a81155a94e78212cfd50a485f481fbec0f8c038635b4a76c9547d44cc81f684f95
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SSDEEP
384:icX+ni9VCr5nQI021q4VQBqURYp055TOtOOtEvwDpjqIGR/hHi7/OlI0G/3lD:XS5nQJ24LR1bytOOtEvwDpjNbP/3lD
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detects executables built or packed with MPress PE compressor 1 IoCs
resource yara_rule sample INDICATOR_EXE_Packed_MPress -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-01-18_f83b943ceb8f2ff5d051bb1400b9dec8_cryptolocker
Files
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2024-01-18_f83b943ceb8f2ff5d051bb1400b9dec8_cryptolocker.exe windows:5 windows x86 arch:x86
e021c9fc2c12265365fad587d43783fe
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Imports
kernel32
GetModuleHandleA
GetProcAddress
user32
EndPaint
gdi32
CreateFontIndirectA
Sections
.MPRESS1 Size: 10KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.MPRESS2 Size: 1024B - Virtual size: 910B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 13KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE